diff options
| -rw-r--r-- | gst/mxf/mxfup.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/gst/mxf/mxfup.c b/gst/mxf/mxfup.c index d76690bd..bce9a19e 100644 --- a/gst/mxf/mxfup.c +++ b/gst/mxf/mxfup.c @@ -40,6 +40,7 @@ #include <gst/video/video.h> #include "mxfup.h" +#include "mxfwrite.h" GST_DEBUG_CATEGORY_EXTERN (mxf_debug); #define GST_CAT_DEFAULT mxf_debug @@ -273,8 +274,175 @@ static const MXFEssenceElementHandler mxf_up_essence_element_handler = { mxf_up_create_caps }; +static GstFlowReturn +mxf_up_write_func (GstBuffer * buffer, GstCaps * caps, gpointer mapping_data, + GstAdapter * adapter, GstBuffer ** outbuf, gboolean flush) +{ + *outbuf = buffer; + return GST_FLOW_OK; +} + +static const guint8 up_essence_container_ul[] = { + 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, + 0x0D, 0x01, 0x03, 0x01, 0x02, 0x05, 0x7F, 0x01 +}; + +static const struct +{ + const gchar *caps; + guint32 n_pixel_layout; + guint8 pixel_layout[10]; +} _rgba_mapping_table[] = { + { + GST_VIDEO_CAPS_RGB, 3, { + 'R', 8, 'G', 8, 'B', 8}}, { + GST_VIDEO_CAPS_BGR, 3, { + 'B', 8, 'G', 8, 'R', 8}}, { + GST_VIDEO_CAPS_YUV ("v308"), 3, { + 'Y', 8, 'U', 8, 'V', 8}}, { + GST_VIDEO_CAPS_xRGB, 4, { + 'F', 8, 'R', 8, 'G', 8, 'B', 8}}, { + GST_VIDEO_CAPS_RGBx, 4, { + 'R', 8, 'G', 8, 'B', 8, 'F', 8}}, { + GST_VIDEO_CAPS_xBGR, 4, { + 'F', 8, 'B', 8, 'G', 8, 'R', 8}}, { + GST_VIDEO_CAPS_BGRx, 4, { + 'B', 8, 'G', 8, 'R', 8, 'F', 8}}, { + GST_VIDEO_CAPS_RGBA, 4, { + 'R', 8, 'G', 8, 'B', 8, 'A', 8}}, { + GST_VIDEO_CAPS_ARGB, 4, { + 'A', 8, 'R', 8, 'G', 8, 'B', 8}}, { + GST_VIDEO_CAPS_BGRA, 4, { + 'B', 8, 'G', 8, 'R', 8, 'A', 8}}, { + GST_VIDEO_CAPS_ABGR, 4, { + 'A', 8, 'B', 8, 'G', 8, 'R', 8}}, { + GST_VIDEO_CAPS_YUV ("AYUV"), 4, { + 'A', 8, 'Y', 8, 'U', 8, 'V', 8}} +}; + +static MXFMetadataFileDescriptor * +mxf_up_get_rgba_descriptor (GstPadTemplate * tmpl, GstCaps * caps, + MXFEssenceElementWriteFunc * handler, gpointer * mapping_data) +{ + MXFMetadataRGBAPictureEssenceDescriptor *ret; + guint i; + GstCaps *tmp, *intersection; + + ret = (MXFMetadataRGBAPictureEssenceDescriptor *) + gst_mini_object_new (MXF_TYPE_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR); + + for (i = 0; i < G_N_ELEMENTS (_rgba_mapping_table); i++) { + tmp = gst_caps_from_string (_rgba_mapping_table[i].caps); + intersection = gst_caps_intersect (caps, tmp); + gst_caps_unref (tmp); + + if (!gst_caps_is_empty (intersection)) { + gst_caps_unref (intersection); + ret->n_pixel_layout = _rgba_mapping_table[i].n_pixel_layout; + ret->pixel_layout = g_new0 (guint8, ret->n_pixel_layout * 2); + memcpy (ret->pixel_layout, _rgba_mapping_table[i].pixel_layout, + ret->n_pixel_layout * 2); + break; + } + gst_caps_unref (intersection); + } + + memcpy (&ret->parent.parent.essence_container, &up_essence_container_ul, 16); + + mxf_metadata_generic_picture_essence_descriptor_from_caps (&ret->parent, + caps); + + *handler = mxf_up_write_func; + + return (MXFMetadataFileDescriptor *) ret; +} + +static MXFMetadataFileDescriptor * +mxf_up_get_cdci_descriptor (GstPadTemplate * tmpl, GstCaps * caps, + MXFEssenceElementWriteFunc * handler, gpointer * mapping_data) +{ + g_assert_not_reached (); + return NULL; +} + +static MXFMetadataFileDescriptor * +mxf_up_get_descriptor (GstPadTemplate * tmpl, GstCaps * caps, + MXFEssenceElementWriteFunc * handler, gpointer * mapping_data) +{ + GstStructure *s; + + s = gst_caps_get_structure (caps, 0); + if (strcmp (gst_structure_get_name (s), "video/x-raw-rgb") == 0) { + return mxf_up_get_rgba_descriptor (tmpl, caps, handler, mapping_data); + } else if (strcmp (gst_structure_get_name (s), "video/x-raw-yuv") == 0) { + guint32 fourcc; + + if (!gst_structure_get_fourcc (s, "format", &fourcc)) + return NULL; + + if (fourcc == GST_MAKE_FOURCC ('A', 'Y', 'U', 'V') || + fourcc == GST_MAKE_FOURCC ('v', '3', '0', '8')) + return mxf_up_get_rgba_descriptor (tmpl, caps, handler, mapping_data); + + return mxf_up_get_cdci_descriptor (tmpl, caps, handler, mapping_data); + } + + g_assert_not_reached (); +} + +static void +mxf_up_update_descriptor (MXFMetadataFileDescriptor * d, GstCaps * caps, + gpointer mapping_data, GstBuffer * buf) +{ + return; +} + +static void +mxf_up_get_edit_rate (MXFMetadataFileDescriptor * a, GstCaps * caps, + gpointer mapping_data, GstBuffer * buf, MXFMetadataSourcePackage * package, + MXFMetadataTimelineTrack * track, MXFFraction * edit_rate) +{ + edit_rate->n = a->sample_rate.n; + edit_rate->d = a->sample_rate.d; +} + +static guint32 +mxf_up_get_track_number_template (MXFMetadataFileDescriptor * a, + GstCaps * caps, gpointer mapping_data) +{ + return (0x15 << 24) | (0x02 << 8); +} + +static MXFEssenceElementWriter mxf_up_essence_element_writer = { + mxf_up_get_descriptor, + mxf_up_update_descriptor, + mxf_up_get_edit_rate, + mxf_up_get_track_number_template, + NULL, + {{0,}} +}; + void mxf_up_init (void) { mxf_essence_element_handler_register (&mxf_up_essence_element_handler); + + mxf_up_essence_element_writer.pad_template = + gst_pad_template_new ("up_video_sink_%u", GST_PAD_SINK, GST_PAD_REQUEST, + gst_caps_from_string (GST_VIDEO_CAPS_RGB "; " + GST_VIDEO_CAPS_BGR "; " + GST_VIDEO_CAPS_RGBx "; " + GST_VIDEO_CAPS_xRGB "; " + GST_VIDEO_CAPS_BGRx "; " + GST_VIDEO_CAPS_xBGR "; " + GST_VIDEO_CAPS_ARGB "; " + GST_VIDEO_CAPS_RGBA "; " + GST_VIDEO_CAPS_ABGR "; " + GST_VIDEO_CAPS_BGRA "; " + GST_VIDEO_CAPS_YUV ("AYUV") "; " GST_VIDEO_CAPS_YUV ("v308"))); + + memcpy (&mxf_up_essence_element_writer.data_definition, + mxf_metadata_track_identifier_get (MXF_METADATA_TRACK_PICTURE_ESSENCE), + 16); + mxf_essence_element_writer_register (&mxf_up_essence_element_writer); } |